Compare/White Yard Boss GT-1855 vs White ZTT 1850

White Yard Boss GT-1855 vs White ZTT 1850

Verdict: White Yard Boss GT-1855 vs White ZTT 1850

The White Yard Boss GT-1855 and the White ZTT 1850 are both lawn tractors — here is how they stack up on the figures that matter. Both are rated at the same 18 hp. White ZTT 1850 is the lighter machine (317 kg vs 415 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. White Yard Boss GT-1855 holds more fuel (13.2 L vs 11.4 L) for longer stints between fills. White ZTT 1850 is the newer design (2001 vs 1980). Use the full side-by-side spec tables below to weigh the details against your own operation, and confirm with a dealer demo.

Tune the fit score

Tell us about your operation

Acreage600 acBudgetMain crop / use

Fit & specs

White

Fit score

Best match

Clear

White

Fit score

Best match

Clear

Rated power

18 hp

Confidence

40%

Guide price

—

Overview

Manufacturer

White (a part of MTD)Reference

Eaton hydrostatic unit with Peerless 2500 two-speed transaxle.Reference

air-cooled vertical-shaft V-TwinReference

Variants

995

similar MTD modelReference

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Engine

Fuel tank

13.2 LReference

11.4 LReference

Displacement

34.75 ciReference

—

Bore/Stroke

72 x 70 mmReference

—

Power (gross)

13.4 kWReference

—

Air cleaner

dryReference

—

Rated RPM

3500Reference

—

Starter

electricReference

Starter volts

12Reference

Power

—

13.4 kWReference

Transmission

Eaton M11Reference

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Gears

infinite forward and reverse (2-range)Reference

infinite forward and reverseReference

Oil change

100 hReference

—

PTO & Hydraulics

Rear Type

0Reference

—

Front PTO

independentReference

—

Clutch

manualReference

electricReference

Front PTO Type

2000Reference

—

Mid PTO

—

independentReference

Dimensions

Wheelbase

134 cmReference

—

Weight

77 kgReference

317 kgReference

Front tire

18x6.50Reference

11x4Reference

Rear tire

27x9.50-15Reference

20x7Reference

Lawn/turf front

18x6.50Reference

11x4Reference

Lawn/turf rear

27x9.50-15Reference

20x7Reference

Length

190 cmReference

—

Height (steering wheel)

111 cmReference

—

Shipping weight

415 kgReference

317 kgReference

Ground clearance

22 cmReference

—

Clearance (rear axle)

2 cmReference

—

White GT-1855 attachments

GT-1855 Serial Numbers

1980

140-995-190 (model code)Reference

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1981

----Reference

—

1982

----Reference

—

1983

----Reference

—

1984

144-995-190 (model code)Reference

—

1985

145-995-190 (model code)Reference

—

1986

146-995-190 (model code)Reference

—

1987

147-996-190 (model code)Reference

—

1988

148-996-190 (model code)Reference

—

1989

---Reference

—

1990

---Reference

—

1991

---Reference

—

1992

142-996-190 (model code)Reference

—

1993

143-998-190 (model code)Reference

—

1994

144-998-190 (model code)Reference

—

1995

145-998-190 (model code)Reference

—

Electrical

Ground

negativeReference

Charging system

alternatorReference

—

Battery CCA

240Reference

—

Battery volts

12Reference

Attachment overview

50" Mower deck

Type

shaft-driven hydrostaticReference

hydrostaticReference

Cutting width

127 cmReference

106 cmReference

Drive

shaftReference

—

Kwik-Way Backhoe

Backhoe type

Kwik-Way BackhoeReference

—

Transport height

170 cmReference

—

Bucket width

40 cmReference

—

2-Foot flat digging depth

218 cmReference

—

Loading height

152 cmReference

—

Bucket Rotation

140°Reference

—

Swing Arc

160°Reference

—

White ZTT 1850 attachments

42" Mower deck

Fit score weighs budget, operation size, crop match and data confidence against the details above. It’s guidance, not advice — always confirm with a dealer demo.